'weigh down' definitions:

Definition of 'weigh down'

(from WordNet)
verb
Be oppressive or disheartening to [syn: weigh down, weigh on] [ant: buoy up, lighten, lighten up]
verb
Exert a force with a heavy weight; "The snow bore down on the roof" [syn: drag down, bear down, bear down on, press down on, weigh down]